Deer whistle



FIG. 1 is a perspective view of a deer whistle showing my new design in open position;

FIG. 2 is Front view thereof;

FIG. 3 is Back view thereof;

FIG. 4 is a Right-side view thereof;

FIG. 5 is a Left-side view thereof;

FIG. 6 is a Top view thereof; and,

FIG. 7 is a Bottom view thereof. 

CLAIM We claim the ornamental design for a deer whistle, as shown and described. 